#include <Wire.h>
#include <RTClib.h>
#include <Keypad.h>

RTC_DS1307 rtc;

const int lampuLuar[] = {12, 13, A0};
const int lampuDalam[] = {A1, A2, A3};

const byte KEYPAD_ROWS = 4;
const byte KEYPAD_COLS = 4;
byte rowPins[KEYPAD_ROWS] = {9, 8, 7, 6};
byte colPins[KEYPAD_COLS] = {5, 4, 3, 2};
char keys[KEYPAD_ROWS][KEYPAD_COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, KEYPAD_ROWS, KEYPAD_COLS);

const int correctPassword = 1234;
long int enteredPassword = 0;
bool isLocked = true;
unsigned long unlockTime = 0;

void setup() {
  Serial.begin(115200);

  for (int i = 0; i < 3; i++) {
    pinMode(lampuLuar[i], OUTPUT);
    pinMode(lampuDalam[i], OUTPUT);
  }

  Wire.begin();
  if (!rtc.begin()) {
    Serial.println("Model RTC tidak terdeteksi");
    while (1);
  }

  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  digitalWrite(11, HIGH); // LED 11 selalu menyala pada awalnya
}

void loop() {
  DateTime now = rtc.now();
  int jam = now.hour();
  int menit = now.minute();
  int detik = now.second();
  
  // Keterangan waktu di Serial Monitor
  Serial.print("Waktu: ");
  Serial.print(jam);
  Serial.print(":");
  Serial.print(menit);
  Serial.print(":");
  Serial.println(detik);

  // Delay 1 detik
  delay(1000);

  // Lampu luar selalu menyala
  for (int i = 0; i < 3; i++) {
    digitalWrite(lampuLuar[i], HIGH);
  }

  // Kondisi untuk lampu dalam
  bool lampuRuangTamuHidup = (detik >= 19 && detik < 20);
  bool lampuKamarHidup = (detik >= 18 && detik < 21);
  bool lampuDapurHidup = (detik >= 18 && detik < 20);

  digitalWrite(lampuDalam[0], lampuRuangTamuHidup ? HIGH : LOW);
  digitalWrite(lampuDalam[1], lampuKamarHidup ? HIGH : LOW);
  digitalWrite(lampuDalam[2], lampuDapurHidup ? HIGH : LOW);

  char key = keypad.getKey();
  unsigned long currentTime = millis();

  // Penanganan keypad
  if (key >= '0' && key <= '9') {
    int digit = key - '0';
    enteredPassword = enteredPassword * 10 + digit;
    Serial.println(enteredPassword);

    if (enteredPassword == correctPassword) {
      if (isLocked) {
        digitalWrite(10, HIGH);
        digitalWrite(11, LOW);
        isLocked = false;
        unlockTime = currentTime;
      }
      enteredPassword = 0;
    } else if (enteredPassword > 9999) {
      enteredPassword = 0;
      if (!isLocked) {
        digitalWrite(10, LOW);
      }
    }
  }

  if (!isLocked && currentTime - unlockTime > 5000) {
    digitalWrite(10, LOW);
    digitalWrite(11, HIGH);
    isLocked = true;
  }
}